Garment-pressing machine.



UNITED sTATns -PATENT orricn."

EDWARD SGHUMANN AND "ALBERT PREPEJOHAL, OF CHICAGO, ILLINOIS, ASSIGNORS TO JOSEPH SALTZMAN, OF CHICAGO, ILLINOIS.

G-ARIVIEB'ITPERESSING-A MACHINE.

No. sanos-1. vr

Specification of,l Letters Patent.

ratentedauiy e, 1909.

Application filed November 11, 1907 Serial No. l101,578.

`county `of Cook and` `State of Illinois, `have invented. certain new and useful Improvements 1n Garment-Pressing Machines, of

which the following is a specifica-tion, reference being had therein to the accompanying dra-wing; Y y

(Dur invention lrelates to garment-pressing machines, and has primarily for its object` the production of a machine for this pur-- poseloperated by fluid pressure, such as compressed air.

anism, and-connections employed to control and convey the supply of air to the cylinder,

showing the valve in one position;` and Fig.

3 is a detail sectional view of the `valve mechanism showing the valve 1n lts other Aposi-` tion.

adapted to lock one end of the pressingboard 11 securely toythe standard 6, theother end restingwu-pon the standard 7 A cylinder `12 vertically disposed below the `table is closed at its lower end by a head having a `thickened portion -of slightly lessdiameter than the `cylinder bore and adapted to enter the sameand provided with a peripheral liange 14C with which the p cylinder in position. Other objects of our invention relate toi certain specific features in this general type of machine as will be made plain in the following iyspeciflcation, and the invention consistsf of the arrangements and combinations yof partshereinafter more particularly described and then pointed out in the appended claims. y

In theaccompanyingdrawing, which illustrates a .practical embodiment of our invention and in which like reference nmerals re-E fer to similaryparts in the several figures, Figure 1 is a front view 1in elevation of a2 machine embodying our invention. Fig. 2 is= an enlarged detail view partly in sect-ion showing acompressedair cylinder and assoj ciated parts, a valve casing anda valve mechi which are threaded at `their lower ends to l receive nuts 17 which bear againstthe wings. The upper end of the cylinder is closed by a flanged head 18 having suitable lateral extensions or wings 19 which are also adapted to receive the rods 1G, it being understood that there are the same number of wings on `each head.A The rods 16` are threaded to receive the nuts 2O and 21 which when set bearupon the upper and lower surfaces of the wings 19 and thus lock the partsof the The rods 16-` extend upwardly through the-table and through a plate 22 thereon,` and are threaded at their upper ends to` receive nuts 23V which bear upon the plate and hold the parts securely in lposition upon the table.

The head 18 is provided with a suitable stuffing box 24: through which a piston-rod 25 passes, and which is provided with a suitable piston-head 26 within thecylinder. The

`rod 25 passes through the table and is guided in an upright `tubular `sleeve or Vguide 27 integral with the plate 22. The upper end of the rod `isreduced as shown at 2S to loosely receive a collar 29, which lis held `thereon by a nut 30 and which carries an arm 31 upon which a pressingiron 32 is pivotally mount ed. The iron may of course be of any suitable type adapted to be heated in any suitable manner, the form shown being an `ordinary gas-heated iron receivingl 'its supply from any source through the connection 33. A valve-casing 34 is secured in any preferred manner to the under side of the `table The reference' numeral l designates the `standards `ofa, suitable table 5 or yother supas by means of the screws passing through a flange or suitable ears on the top 35 of the casing. As shown in thedraiwing theA top is made integral 'with the valve-casing, the other end of which is closed by a cap 3G adapted to be` threaded upon the lower end thereof. A valve-stein 37 passes downwardly through a suitableopening in the cap and .is operatively connected by a draw-link 38 to a treadle 390i' any desired type which is suitably fulcrumed `to a depending-j bracket l0\carri'ed by a cross-brace al secured to the standards. The valve-stem carries on its inner portion and at a suitabledistance apart `a pair of' valves 4t2 and`l3, whicliiare preferably in; the nature of piston heads snugly fitting the bore of the valve-casing and provided with suitable packing rings. It is also to be understood that the lower end of the valve-casing may be provided with a suitable stufing box. A suitable expansion spring 44 is carried on the valve-stem and-its ends 'react against the cap 36 and the lower face of the valve 42 to hold the valves in their normal raised position as shown in Fig. 2.

It is clearly apparent that the valve-casing and inclosed valves provide substantially a chambered piston having` two piston-heads suitably spaced apart, and that the piston thus formed may control connections between the valve-casing and cylinder 12 by which the piston 26 may be quickly moved from one position to another by air or other fluid pressure being admitted and exhausted from the opposite ends of the cylinder through the lead pipes or connections. For this purpose the valve-casing is connected to any suitable source of pressure-fluid supply, as, for instance, the compressed-air tank or the like 45, by a supply pipe 46 which enters the casing at a point just above the valve 42 when it is in its normal position, as shown in Fig. 2. A pipe 47 opening into the casing at a point just below the valve 43 leads to and enters the bottom of the cylinder 12 below the piston head, and a pipe 48 leading from the valve-casing to the cylinder enters at one end into the former below the valve 42 and at its other end through the head 18 of the latter above the piston head, all as shown in Fig. 2. It is of course to be understood that these pipes communicate with'the valve-casing and cylinder through suitable openings and are secured therein in any preferred way to pre vent leakage. The casing 34 is provided near its top and bottom with exhaust ports 49 and 50, respectively.

In the operation of our device, which is primarily designed to be used when great pressure is required, as in pressing seams and stitched edges, the valves are normally in the position shown in Fig. 2 being held by the action of the spring so that the valve 42 is below the point where the supply pipe 46 enters the valve-casing and the valve 43 above the opening of the pipe 47. In this position of the valves it is obvious that the compressed air entering the valve-casing through the supply pipe 46 passes into the pipe 47 and therethrough into the lower end of the cylinder and impinging against the bottom of the piston-head moves it upward and with it the piston-rod to raise the iron from the pressing-board, in which position it is adapted to vbe swung to one side while the material is adjusted upon the board, and it is obvious that it may be turned in any direction desired. When the material to be pressed has been placed upon the board the operator depresses the treadle which draws the valve-stem downward against the action of the spring 44 until the valve 43 is below the entrance of the pipe 47 to the val-vecasing and the valve 42 is below the entrance of the pipe 48 therein, as clearly shownin Fig. 3. l/Vhen the valves are moved to this position the compressed air passes from theA uncovers the former.Y Vhen the operator A releases thetreadle the spring returns the valves to their normal position as shown in Fig. 2; and the compressed air supply being thus shut' olf from pipe 48 and turned into pipe 47, the airin ythe cylinder above the piston-head will return through the pipe 48 into the valve-casing and exhaust through the port 50and the compressed air will enter the cylinder below the piston-head as before described. It is evident that as supply pipe 46 enters the valve-casing at a point intermediate the two valves they are always balanced and in their normal position bring the pipe 47 into communication with the supply pipe 46 and establish communication between pipe 48 and exhaust 50, and in their depressed position place the pipe 48 into communication with the pipe 46 and establish communication between pipe 47 and exhaust 49. -Y

The specific form of the cylinder is of advantage as it enables the parts to be easily and readily assembled and disassembled. For example, all the parts of the cylinder may be united by the rods 16 and their nuts into a unitary or complete device ready for mounting on the Vtable which may be accomplished by merely passing the rod 25 up through its sleeve, placing the plate 22 over the upper ends of rods 16 and applying the nuts 23. Also, by merely removing the nuts 17 the cylinder may be detached for cleaning etc. without the inconvenience of disassembling other parts, it being apparent that the pipe 47 may be made flexible for this purpose and that the connection of the pipe 48 with the head 18 allows all the other parts to remain undisturbed.

The sleeve 29 affords an extended bearing on the post 28, and is free to revolve thereon to move the iron into 'and out of action over the pressing-board.

By the construction shown the piston in the cylinder may be quickly moved in either direction, and when depressed it exerts a powerful and constant pressure on the pressing-lron.

invention.

" l; In a device of the class described, a table, a pressing-board on the table, an iron, a cylinder-on the underside of the table, a piston-rod having a head in the cylinder and supporting the iron above the board, a compressed-air tank, a casing separate from and between the tank and cylinder, a pipe leading from the tank to said casing, pipes leading from said casing to said cylinder on each side of the head therein, and a valve in the casing Ito connect the first pipe to either et the second pipes.

2. In a device of the class described, a table, a pressing-board mounted thereon, an iron, a cylinder on the underside of the table, a piston in the cylinder, connections between the piston and the liron extending above the table to support the iron at the board, acompressed air tank, a casing supported on the underside of the table and separate from and between the tank and cylinder, a connection between the tank and casing, connections leading from the casing to opposite ends of the cylinder, and means below the table to place either of the latter connections independently of the other in communication with the tank.

e 3. In a deviceof the class described, a table, a pressing-board mounted thereon, an iron, a cylinder on the underside of the table, a `piston in the cylinder, connections between the piston and the iron extending above the table to support the iron at the board, a compressed-air tank, a casing supported on the underside of the table and separate from and between the tank and cylinder, a connection between the tank and casing, connections leading from the casing to opposite ends of the cylinder, and valves in the casing` adapted to be moved to place either of the latter connections independently ot the other in comn'iunication with the tank, and means below the t-able to move the valves.

4. In a device of the class described, a table, a pressing-board mounted thereon, an iron, a cylinder on the underside of the table, a rod having a piston-head in the cylinder and extending above the table to support the iron at the board, a compressed-air tank, connections between the tank and cylinder to admit air above and below the head of the cylinder, a casing supported on the underside of the table and separate from the cylinder and with which the connections communicate, a valve in the casing controlling the connections, and a treadle to operate the valve.

5. In a device of theclass described, a table, a pressing-board mounted thereon, a cylinder on the underside of the table, an iron, a rod having a piston-head in the cylinder and extending` above the table to support the iron, a compressedair tank, a valve-casing supported on the underside of the table and separate from the cylinder, a pipe leading from the tank to the casing, pipes leading from the casing to the cylinder, and a valve-mechanism to alternately establish con'nnunication between one of the latter pipes and the former pipe.

6. In a device ot' the .class described, a table, a pressing-board mounted thereon, an iron, a cylinder mounted on the underside of the table, a piston in the cylinder, connections between the piston and the iron extending above the table to support the iron at the board, a compressed-air tank, a casing mounted on the underside of the table, a connection between the tank and casing, connections leading from the casing to opposite 'ends of the cylinder, valves in the casing normally positioned to place the tank in communication with the connection leading from the casing to one end of the cylinder to raise the piston, means to move the valves to place the tank in communication with the other connection to depress the piston, means in the casing to restore the valves to normal position, and an exhaust port in the casing for each of the connections leading thereto from the cylinder.

7. In a device of the class described, a pressing-board, an iron, a cylinder, a pistonrod carrying said iron and having a head in said cylinder, a compressed-air tank, a casing having upper and lower exhaust ports, a piston in said casing having upper and lower heads, a spring in said casing holding said piston with its upper head closing the upper exhaust, a connect-ion from the tank to the casing intermediate the heads, a connection from the upper end of the casing to the lower end of the cylinder and normally in extension of the tank-connection, a connection from the lower end of the casing to the upper end ot the cylinder and normally in extension of the lower exhaust, and a treadle to move the piston in the casing to close the upper cylinder-connection and open the lower cylinder-connection.

In testimony whereof we atlix our signatures in presence of two witnesses.

EDIVARD SCHUMANN. ALBERT PREPEJCl-IAL.

Witnesses FRANK BURIAN, Josnri-r LEN c. 

